Finding the Fourth Proportional to 518,126,873.37, 777,540,006.96 and 202,953,808.75
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Solution
The fourth proportional to 518,126,873.37, 777,540,006.96 and 202,953,808.75 is: 304,567,691.77
Step by Step Solution
- Step 1: Write the proportion equation
518,126,873.37 : 777,540,006.96 = 202,953,808.75 : x - Step 2: Convert to fraction form
518,126,873.37/777,540,006.96 = 202,953,808.75/x - Step 3: Cross multiply
518,126,873.37x = 777,540,006.96 × 202,953,808.75 - Step 4: Simplify right side
518,126,873.37x = 157,804,705,863,131,040 - Step 5: Solve for x
x = 157,804,705,863,131,040/518,126,873.37 - Step 6: Final answer
x = 304,567,691.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.